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Supergirl gains a new ally when the lightning-fast super hero The Flash suddenly crosses over from an alternate universe and offers to help Kara battle Silver Banshee and Livewire in exchange for her help in finding a way to return him home. (Home Box Office)

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NinadeL 

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English After the first attempts to connect Arrow to Flash, this standalone Supergirl episode sees the Flash coming to her rescue. It is not a big event, but as a first meeting, it’s good. The two young actors are very cute together, and the memories of their years on Glee are also very fond. Worlds Finest is such a winged term, but it describes this lovely episode absolutely perfectly. ()

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